Documentation/devicetree/bindings/spi/brcm,bcm2835-aux-spi.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/spi/brcm,bcm2835-aux-spi.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Broadcom BCM2835 Auxiliary SPI1/2 Controller
   8
   9 maintainers:
  10   - Karan Sanghavi <karansanghvi98@gmail.com>
  11
  12 description:
  13   The BCM2835 contains two forms of SPI master controller. One is known simply
  14   as SPI0, and the other as the "Universal SPI Master," which is part of the
  15   auxiliary block. This binding applies to the SPI1 and SPI2 auxiliary
  16   controllers.
  17
  18 allOf:
  19   - $ref: spi-controller.yaml#
  20
  21 properties:
  22   compatible:
  23     enum:
  24       - brcm,bcm2835-aux-spi
  25
  26   reg:
  27     maxItems: 1
  28
  29   interrupts:
  30     maxItems: 1
  31
  32   clocks:
  33     maxItems: 1
  34
  35 required:
  36   - compatible
  37   - reg
  38   - interrupts
  39   - clocks
  40
  41 unevaluatedProperties: false
  42
  43 examples:
  44   - |
  45     #include <dt-bindings/clock/bcm2835-aux.h>
  46     spi@7e215080 {
  47         compatible = "brcm,bcm2835-aux-spi";
  48         reg = <0x7e215080 0x40>;
  49         interrupts = <1 29>;
  50         clocks = <&aux_clocks BCM2835_AUX_CLOCK_SPI1>;
  51         #address-cells = <1>;
  52         #size-cells = <0>;
  53     };